#pragma once

#include "frontends/common2/speed.h"
#include "frontends/libretro/environment.h"

#include <string>
#include <vector>

class RetroFrame;

class Game
{
public:
  Game(const std::shared_ptr<RetroFrame> & frame);
  ~Game();

  bool loadGame(const std::string & path);
  bool loadSnapshot(const std::string & path);

  void executeOneFrame();
  void processInputEvents();

  void drawVideoBuffer();

  static void keyboardCallback(bool down, unsigned keycode, uint32_t character, uint16_t key_modifiers);

  static void frameTimeCallback(retro_usec_t usec);
  static constexpr size_t FPS = 60;
  static unsigned ourInputDevices[MAX_PADS];
  static retro_usec_t ourFrameTime;

private:
  const std::shared_ptr<RetroFrame> myFrame;

  Speed mySpeed;  // fixed speed

  std::vector<int> myButtonStates;

  bool checkButtonPressed(unsigned id);
  void keyboardEmulation();

  static void processKeyDown(unsigned keycode, uint32_t character, uint16_t key_modifiers);
  static void processKeyUp(unsigned keycode, uint32_t character, uint16_t key_modifiers);
};